package keke;

import java.util.*;

class PersonSortable2{
	private String name;
	private int age;

	public PersonSortable2(String name,int age){
		this.name=name;
		this.age=age;
	}

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

	public int getAge() {
		return age;
	}

	public void setAge(int age) {
		this.age = age;
	}

	@Override
	public String toString() {
		return name + "-" + age ;
	}
}
class NameComparator implements Comparator<PersonSortable2>{
	@Override
	public int compare(PersonSortable2 o1, PersonSortable2 o2) {
		if(!o1.getName().equals(o2.getName())){
			if(o1.getName().compareTo(o2.getName())>0)
				return 1;
			else
				return -1;
		}
		return 0;
	}
}

class AgeComparator implements Comparator<PersonSortable2>{
	@Override
	public int compare(PersonSortable2 o1, PersonSortable2 o2) {
		if(!(o1.getAge()==o2.getAge())){
			if(o1.getAge()>o2.getAge())
				return 1;
			else
				return -1;
		}
		return 0;
	}
}

public class Main0402 {
	public static void main(String[] args) {
        Scanner in=new Scanner(System.in);
        int n=in.nextInt();
        ArrayList<PersonSortable2> personSortable = new ArrayList<PersonSortable2>();
        for(int i=0;i<n;i++){
            personSortable.add(new PersonSortable2(in.next(),in.nextInt()));
        }
        Collections.sort(personSortable,new NameComparator());
        System.out.println("NameComparator:sort");
        for(PersonSortable2 person1:personSortable){
           System.out.println(person1);
        }
        Collections.sort(personSortable,new AgeComparator());
        System.out.println("AgeComparator:sort");
        for(PersonSortable2 person1:personSortable){
           System.out.println(person1);
        }    
        System.out.println(Arrays.toString(NameComparator.class.getInterfaces()));
        System.out.println(Arrays.toString(AgeComparator.class.getInterfaces()));
    }
}


